diurnal
noun
- 1
A flower that opens only in the day.
- 2
A book containing canonical offices performed during the day, hence not matins.
- 3
A diary or journal.
- 4
A daily news publication.
adjective
- 1
Happening or occurring during daylight, or primarily active during that time.
“Most birds are diurnal.”
- 2
Said of a flower open, or releasing its perfume during daylight hours, but not at night.
- 3
Having a daily cycle that is completed every 24 hours, usually referring to tasks, processes, tides, or sunrise to sunset; circadian.
- 4
Done once every day; daily, quotidian.
- 5
Published daily.
Translate “diurnal” into another language
Choose a language below to open the translator with English selected as the source language.